Question
If sec 2θ = cosec (θ – 36°), where 2θ is an acute
angle, find the value of θ.Solution
The correct answer is C
The perimeter of semicircle is 36 cm and the radius of the semicircle is equal to the height of a Cylinder whose volume is 198 cm 3 . then fi...
The breadth ‘b’ of a room is twice its height and half of its length. Find the length of the longest diagonal of the room
The boundary length (perimeter) of a semicircle is 72 m. Find the area of a full circle whose radius is thrice the radius of that semicircle.
In a triangle ABC, D, E and F are the mid-points of the sides BD, CA and AB, respectively. BE and DF intersect at X. DE and CF intersect at Y. Find XY = ?
A right circular cylinder having total surface area of 44352 cm2 is immersed in a vessel completely filled with water. If the height of the c...
- A square and a rectangle have equal perimeters. The rectangle has length 18 cm and breadth 10 cm. What is the circumference of a semicircle whose radius eq...
If the radius and height of a right circular cylinder are increased by 22% and 28%, respectively, what is the percentage increase in its volume? (Use π...
2[sin x – cos x]4 + 6[sin x + cos x]2 + 5[sin6 x + cos6 x]= ?
The radius and height of a right circular cone are in the ratio 3: 4. If its curved surface area (in cm²) is 240 π, then its volume (in cm³...
If the length of a rectangle is extended by 25% and its width is reduced by 20%, what is the percentage difference in the rectangle's area as a result o...
Relevant for Exams:
